ABSTRACT
Service Life ................................................................................................... 193 7.4 Principles for Assessing the Adhesion of Sealants ....................................... 194 7.5 Stress at the Sealant-Substrate Interface ...................................................... 195
7.5.1 Maximizing Stress along the Interface of Peel Test Specimens ....... 196 7.5.1.1 Mechanics of Peel Test ...................................................... 196 7.5.1.2 Relationship between the Elasticity Modulus and
Sealant Thickness ............................................................... 201 7.5.1.3 Effective Stress Control at the Sealant-Substrate
Interface in Peel Specimens ............................................... 201 7.5.2 Joint Geometry Parameters Controlling Stress at the Sealant-
Substrate Interface under Tensile Strain ........................................... 201 7.5.2.1 Alternative Utilization of the Joint Geometry Design ....... 201 7.5.2.2 Dependence of Elasticity Modulus on the Sealant
Dimensions in Joints Subjected to Static or Dynamic Tensile Stresses ..................................................................202
7.6 Other Factors Inuencing the Mechanical and Rheological Properties of Sealants .........................................................................................................205 7.6.1 Strain Rate and Temperature .............................................................205
